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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P00655 New Search
2PDB entries
2Biological assembly
2chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification Different experimental conditions

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
1DE3 SOLUTION STRUCTURE OF THE CYTOTOXIC RIBONUCLEASE ALPHA-SARCIN Deposited 1999-11-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 28–177（150 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6；308 K；Pressure AMBIENT
NMR measurement conditions pH 4；313 K；Pressure AMBIENT
NMR sample composition NA
NMR sample composition NA
NMR sample composition U-15N
Resolution not provided
1R4Y SOLUTION STRUCTURE OF THE DELETION MUTANT DELTA(7-22) OF THE CYTOTOXIC RIBONUCLEASE ALPHA-SARCIN Deposited 2003-10-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 28–177（150 aa）
Mutation：L7G, R22G, DEL(8-21) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6；308 K；Pressure AMBIENT
NMR sample composition 2mM Ribonuclease; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition 2mM Ribonuclease; D2O | D2O
Resolution not provided

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.